Changes to ghc(3)

Changes to ghc:
commit 49857886538dcd0d4ecf51e9b5a116101d0cde0c
Author: Austin Seipp <austin@well-typed.com>
Date:   Fri Oct 25 12:33:26 2013 -0500

    Release note wibble.

    Signed-off-by: Austin Seipp <austin@well-typed.com>

commit 97736ee1f1cfa389e98e554980a7e3ba7f4135d5
Author: Austin Seipp <austin@well-typed.com>
Date:   Fri Oct 25 12:28:34 2013 -0500

    Release note blurbs for directory.

    Signed-off-by: Austin Seipp <austin@well-typed.com>

commit 32df429081469a9b928a358be6943744e50b5ff8
Author: Austin Seipp <austin@well-typed.com>
Date:   Fri Oct 25 11:49:09 2013 -0500

    Update documentation regarding SpecConstr.

     * Note new SPEC type in release notes.
     * Document SPEC in the users guide under the documentation for
       -fspec-constr.
     * Clean up comments in SpecConstr regarding the forcing of
       specialisation (see Note [Forcing specialisation].)

    Signed-off-by: Austin Seipp <austin@well-typed.com>